04 SP-2024-0298D - Flatz - 130 - Environmental Variance Request Packet Part 4

Zoning and Platting Commission – May 20, 2025

04 SP-2024-0298D - Flatz - 130 - Environmental Variance Request Packet Part 4 — original pdf

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04 SP-2024-0298D - Flatz - 13038 of 49C W Q Z CWQZ C W Q Z CWQZ CWQZ CWQZ Q Z C W EXISTING OLD DECKER CREEK CENTERLINE CWQZ C W Q Z Z Q W C Z C W Q Z C W Q Z Q W C Z C W Q Z Q W C QZ W C C W Q Z Z Q W C Q Z W C QZ C W Q Z W C Z C W Q Z Q W C C C C Z Q W C P F C R Y 0 0 1 P F R C 100Y F E C Z Q W C 100YR CFP CEF 100Y R C F P F E C Z Q W C P F R C Y 0 0 C E F 1 Z Q W C C E F C W Q Z C CWQZ C C Q Z C W C C C W Q Z 1 0 0 Y R C F P F E C CWQZ C E F C W Q Z CWQZ FM 973 C W Q Z 100YR CFP C C E F C F C E C W C QZ CEF 100YR CFP C W Q Z C C CWQZ C P F C R Y C 0 0 E 1 F CWQZ Z Q W C C QZ C W 100YR CFP F C E C CEF Z Q W 1 0 0 Y R C F P CEF CEF F E C CRITICAL ENVIRONMENTAL FEATURE C CWQZ C W Q Z Z Q W C W Q C E F F P CWQZ C W Q Z C W CEF Q Z Z P Y R C F CWQZ 0 0 C E F 1 F E C F E C 1 0 0 Y R C F P C W Q Z 1 0 0 Y R C F P F E C CWQZ 100YR CFP C W Q Z 100 YEAR CALCULATED FLOODPLAIN CWQZ Z Q W C C W Q Z C E F R C 1 0 0 Y Z Q W C CEF 1 0 0 Y P F R C Z Q W C CEF Z Q 1 0 0 Y R C F P W C F E C 100YR CFP Q Z C W C E F 1 0 0 Y R C F P Q Z W C Z C W Q QZ W C C W Q Z CWQZ C W Q Z C 1 0 0 Y R C F P C QZ W C C C 0 Y R C F P 0 1 C C 100YR CFP 1 0 0 ' O F F S E T C C P F R C Y 0 0 1 C W Q Z C W Q Z C W Q Z CWQZ Z Q W C 1 0 0 Y R C F P P F R C Y 0 0 1 1 0 0 ' C W Q Z O F F S E T 100YR CFP CWQZ C 1 0 0 Y R C F P C C E F C W Q Z CEF C E F CWQZ CWQZ CWQZ WETLAND CEF SETBACK QZ W C POND C P F R C Y 0 0 1 100YR CFP CWQZ C W Q Z C W Q Z C W Q Z 1 0 0 Y R C F P C W Q Z Z Q W C G 1 0 F F E: 5 1 8.0 0 B UIL DIN P U C W QZ CWQZ CWQZ CWQZ C C C C C 1 0 0 Y R C F P CWQZ 100YR CFP CWQZ 100YR CFP C P F R C 1 0 0 Y Q Z W C Z Q W C Z C W Q C C W Q Z C W Q Z Z Q W C Z Q W C Q Z C W C W Q Z 100YR CFP C W Q Z C W Q Z CWQZ Z C W Q Z Q W C C W Q Z C W QZ Z C W Q CWQZ C E F P F R C Y 0 0 1 CEF C W Q Z Z Q W C CEF C E F R C Y 0 0 1 P F INUNDATION ZONE B P U U P G N KI R O N A P O N PARKING G N KI R O N A P E V E V V E V E E V E V G U P N KI R O N A P G N KI R O B F U I L F E : 5 D I N 1 G 7 . 0 8 N A P G N KI R O N A P 0 B F U F E I L : 5 D I N 1 G 8 . 5 9 F U F E I L : 5 D I N 1 G 3 . 5 6 0 V E V E V E V E V E V E G 7 FF E: 5 1 6.0 0 B UIL DIN U U U P P P G KIN R O A P N V E G KIN R O A P N PARKING N O E V E V E V E V E V E V P A N O R K I N G B U I L D I N G 3 5 1 6 . 0 0 F F E : U P N O P A R K I N G EV EV F F B U E I F B F U U P E I : L D 5 I 1 N 0 . G F F B U E I L : 5 D 1 I N G 5 . 0 0 4 : 5 L D I 1 7 . N G P 0 2 0 A N O R K I N G P U G N I K R O N A P G N I K R O N A P N A V G N I K R O N A P POND A 0 5 0 F F E : C L U B 5 0 8 . 5 0 0 P U G N I K R O N A P N A V V E V E V E V E V E V E F B F U E I : L P U D 5 I 2 N 0 . G 7 1 0 ESTATES BLVD TRAILSIDE OE OE OE OE OE OE OE OE OE OE OE OE G N I K R O N A P C C 100YR CFP C C 0 Y R C F P 0 1 C C 100YR CFP C C HALF CRITICAL WATER QUALITY ZONE Y 0 0 1 R C P F F C E P F C R Y 0 0 1 QZ W C C W Q Z 1 0 0 Y R C F P Z Q W C C EF F E C EF C CWQZ QZ W C Z Q W C C W Q Z P F C F R E Y 0 C 0 1 QZ C W C E F P F C R Y 0 0 1 C E F QZ W C 0 1 C E 0 Y R F C F P CWQZ C W Q Z 100YR CFP C E F 100YR CFP 100YR CFP 100YR CFP C E F P F R C Y 0 0 1 QZ W C C W Q Z C W Q Z EF C CWQZ F E C CWQZ C EF C W Q Z C E F CEF C EF C W Q Z C E F CEF P F R C Y 0 0 1 P F R C 100Y CWQZ 100YR CFP C W Q Z CWQZ CWQZ 100YR CFP CEF W C QZ CEF 100YR CFP C W QZ CWQZ CWQZ CWQZ CWQZ C W Q Z CWQZ P F R C Y 0 0 1 C W Q Z 100YR CFP C W Q Z Z Q W C C C C P F R C Y 0 0 1 C W Q Z P F R C Y 0 0 1 C E F Q Z W C F E C C E F C E F Q Z W C C E F C E F Z Q W C Z Q W C 1 0 0 Y R C F P C E F Z Q W C CEF C C 100 Y R C F P C EF 100Y CEF R CFP CEF C C EF 100 Y R C F P C C E F C C 100 Y R C F P CEF 100 Y R C F P CRITICAL WATER QUALITY ZONE C E F CEF C E F Z C W Q CEF CEF Z Q W C Z Q W C C W Q Z Z Q W C F E C Z Q W C P F C R Y 0 0 1 Z Q W C C E F CEF CEF Z Q W C Z Q W C 1 0 0 Y R C F P Z Q W C QZ W C CWQZ Z Q W C C W Q Z 1 0 0 Y R C F P 100YR CFP F E C Z Q W C Z Q W C 1 0 0 Y R C F P Z C W Q CEF QZ C W C W Q Z Z Q W C C E F C E F QZ C W C E F Q Z C W CEF C E F C E F C E F 1 0 0 Y R C F P 1 0 0 Y R C F P C W Q Z C W Q Z CEF QZ W C C E F C E F C W Q Z F E C Z Q W C C W Q Z C W Q Z C W Q Z C E F C W Q Z 1 0 0 Y R C F P C W Q Z FEMA 100 C W Q Z C E F FEMA 100 F E M A 1 0 0 C E F C W Q Z 1 0 0 Y R C F P F E M A 1 0 0 C W Q Z C E F C E F FEMA 100 C W Q Z C W Q Z F E P M F A R C 1 0 0 Y 0 0 1 100Y R C FP 1 0 0 Y R C F P 100YR CFP 1 0 0 Y R C F P WETLAND CEF SETBACK INUNDATION ZONE 1 0 0 Y R C F P 1 0 0 Y R C F P R CFP 100Y P F R C Y 0 0 1 1 0 0 Y R C F P C W Q Z 1 0 0 Y R C F P C W Q Z FEMA 100 C W Q Z F E M A 1 0 0 F E M A 1 0 0 C W Q Z 0 0 1 A M E F C W Q Z F E M A 1 0 0 C W Q Z F E M A 1 0 0 C W Q Z F E M A 1 0 0 C W Q Z F E M A 1 0 0 C W Q Z C W Q Z F E M A 1 0 0 CEF CEF F E M A 1 0 0 100YR CFP C W Q Z C W Q Z F E M A 1 0 0 100YR CFP F E M A 1 0 0 C W Q Z CEF CEF C W QZ FEMA 100 100YR CFP CWQZ FEMA 100 CWQZ C EF C W Q Z CWQZ C EF C E F CEF F C E F E M A C W Q Z 1 0 0 C W Q Z C W Q Z C W Q Z F E C 1 M 0 A 0 Y R 1 0 0 E F C F P CEF F E M A 1 0 0 C W Q Z 1 0 0 F E Y M R C F P A 1 0 0 C W Q Z C W Q Z 1 0 0 Y R C F P 1 0 0 Y R C F P 1 0 0 Y R C F P A 100 M FE C W Q Z C F E P F CWQZ 0 0 F E M A 1 R C Y 0 0 1 FEMA 100 P F R C Y 0 0 1 0 0 1 A M E F 0 0 1 A M E F 100YR CFP C E F F E C 1 0 0 Y R C F P F E C F E M A 1 0 0 1 0 0 Y R C F P 0 0 1 A M E F F E M A 1 0 0 P F C R Y 0 0 1 FEMA 100 YEAR FLOODPLAIN 0 0 A 1 M E F 100YR CFP CEF F E M A 1 0 0 1 0 0 Y R C F P P F C R Y 0 0 1 F E M A 1 0 0 C E F C W Q Z 1 0 0 Y R C F P C W Q Z C W Q Z 100Y R C FP 100YR CFP P F R C Y 0 0 1 HALF CRITICAL WATER QUALITY ZONE 100Y R C FP 1 0 0 Y R C F P C W Q Z C W Q Z P F R C Y 0 0 1 Z Q W C C W Q Z C W Q Z Z Q W C F E M A 1 0 0 F E M A 1 0 0 C E F F E M A 1 0 0 C E F C W Q Z F E M A 1 0 0 0 0 1 A M E F Z Q W C 0 0 1 A M E F F E M A 1 0 0 Z Q W C 0 0 1 A M E F C W Q Z F E M A 1 0 0 C W Q Z F E M A 100 Z Q W C C E F CEF F E M A 1 0 0 1 0 0 Y R C F P FE M A 100 C E F CEF FE M A 100 P F C R Y 0 0 1 1 0 0 Y R C F P C W Q Z C W Q Z F C E C W Q Z 0 0 A 1 M E F 0 0 1 A M E F 0 0 1 A M E F C W Q Z 0 0 1 A M E F C W Q Z F E C CEF C W Q Z C E F C E F F E C F E M A 1 0 0 Z Q W C C W Q Z C W Q Z Z Q W C F E M A 1 0 0 F E M A 1 0 0 Z Q W C C W Q Z C W Q Z Z Q W C C W Q Z C W Q Z F E M A 100 F E C F E C F E C F E C F E C CEF Z Q W C C E F Z Q W C Z Q W C C W Q Z C E F Z Q W C C W Q Z 100YR CFP 1 0 0 Y R C F P 1 0 0 Y R C F P F E M A 1 0 0 F E M A 1 0 0 C E F F E M A 1 0 0 C EF C E F F E M A 100 C E F C E F CEF C E F C E F F E C C W Q Z E F CEF CEF C E F C W Q Z POND B 100YR CFP P F C R Y 0 0 1 100YR CFP 100YR CFP 1 0 0 Y R C F P 1 0 0 Y R C F P 1 0 0 Y R C F P 100YR CFP 100YR CFP 100YR CFP CRITICAL WATER QUALITY ZONE 100YR CFP 1 0 0 Y R C F P 100YR CFP 100YR CFP FEMA 100 FEMA 100 FEMA 100 FEMA 100 100YR CFP FEMA 100 1 0 0 Y R C F P Z Q W C Z Q W C C W Q Z Q Z W C F E M A 1 0 0 1 0 0 Y R C F P 0 0 1 A M E F Z Q W C 1 0 F 0 E Y M R A C 1 0 F 0 P C W Q Z Z Q W C CEF CEF F E M A 1 0 0 CEF 1 0 0 Y R C F P F E M A 1 0 0 C W 1 0 6 3 : 4 5 : 9 0 - 5 2 , 8 2 . i b e F : e m T / e t a D t o P l I . g w d B E C N A R A V V N E - 1 0 D S - D C - 2 0 0 1 6 1 2 \ 0 2 4 2 4 s m d \ o d n o z i l e . d r a h c i r \ d o r p - t c d - f l k \ g n i k r o w w p \ : c i : g n w a r D 1 1 : 5 1 - 5 2 , 4 2 . b e F : d e i f i d o M t s a L O D N O Z I L E R : r e s U FEMA 100 F C E C E F 1 0 0 Y R C F P 1 0 0 Y R C F P FEMA 100 CEF 100 YEAR CALCULATED FLOODPLAIN INUNDATION ZONE WETLAND CEF SETBACK FE M A 100 C E F CEF CEF P F Y 0 R C CEF F E 0 1 M C E F P F R C Y 0 0 0 0 1 1 A M E F 100Y R C FP 0 0 1 A M E F R C F P 1 0 0 Y 0 0 1 A M E F A 1 0 0 C E F C E F C E F C E F F E C THESE PLANS ARE RELEASED UNDER THE AUTHORITY OF JOE GRASSO, P.E., TBPE#73285, ON 00/00/00, FOR THE PURPOSES OF REVIEW AND ARE NOT TO BE USED FOR CONSTRUCTION PRIOR TO APPROVAL BY THE CITY OF AUSTIN. N 60 0 30 60 120 (IN FEET) GRAPHIC SCALE 1"=120' LEGEND XXX XXX EXISTING CONTOUR PROPOSED CONTOUR PROPERTY BOUNDARY Elevations Table Number Minimum Elevation Maximum Elevation Area (SF) Volume (CY) Color 1 2 3 4 -11.00 -8.00 4.00 8.00 -8.00 -4.00 8.00 16.00 29,967 979 206,275 16,321 182,025 18,799 45,063 3,773 (cid:76)(cid:97)(cid:110)(cid:100)(cid:32)(cid:85)(cid:115)(cid:101)(cid:32)(cid:67)(cid:111)(cid:109)(cid:109)(cid:105)(cid:115)(cid:115)(cid:105)(cid:111)(cid:110)(cid:32)(cid:45)(cid:32)(cid:69)(cid:110)(cid:118)(cid:105)(cid:114)(cid:111)(cid:110)(cid:109)(cid:101)(cid:110)(cid:116)(cid:97)(cid:108)(cid:32)(cid:86)(cid:97)(cid:114)(cid:105)(cid:97)(cid:110)(cid:99)(cid:101)(cid:115) (cid:35)(cid:49)(cid:46)(cid:32)(cid:67)(cid:117)(cid:116)(cid:32)(cid:111)(cid:118)(cid:101)(cid:114)(cid:32)(cid:56)(cid:39)(cid:46)(cid:32)(cid:32)(cid:76)(cid:68)(cid:67)(cid:32)(cid:83)(cid:101)(cid:99)(cid:46)(cid:32)(cid:50)(cid:53)(cid:45)(cid:56)(cid:45)(cid:51)(cid:52)(cid:49) (cid:35)(cid:50)(cid:46)(cid:32)(cid:70)(cid:105)(cid:108)(cid:108)(cid:32)(cid:111)(cid:118)(cid:101)(cid:114)(cid:32)(cid:56)(cid:39)(cid:46)(cid:32)(cid:76)(cid:68)(cid:67)(cid:32)(cid:83)(cid:101)(cid:99)(cid:46)(cid:32)(cid:50)(cid:53)(cid:45)(cid:56)(cid:45)(cid:51)(cid:52)(cid:50)(cid:32) y n a p m o C r e d e f n e K A l i l 0 0 6 2 - 3 8 5 - ) 2 1 5 ( : l e T , 5 3 7 8 7 X T , n i t s u A 0 6 1 . e t S , W 1 7 y a w h g H i . B 1 0 4 7 0 0 8 5 0 1 0 1 : r e b m u N m r i F S L E P B T 7 3 9 3 : r e b m u N m r i F E P B T m o c . s r i t e e n g n e e c u o d w w w . l a i t a p s o e G / / s t n e m e l t i t n E / / g n i r e e n g n E i l i i v C , 0 3 1 - Z T A L F D V L B N A M L E K E Z 0 0 4 7 4 2 7 8 7 X T , N I T S U A I L A T N E M N O R V N E L L I F / T U C ) 1 F O 1 ( P A M E C N A R A V I Designed: Drawn: Reviewed: Date: AD/MH/PM AD/MH/PM TM/JG 8/29/2023 SHEET 34 OF 159 Project No.: 2161-002 SP-2024-0298D 04 SP-2024-0298D - Flatz - 13039 of 49 04 SP-2024-0298D - Flatz - 13040 of 49